80840745

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2111}}^1$

素因数の和:2182

約数の個数: 48

約数和(自身を含む): 150239232

約数和(自身を除く): 69398487

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 333, 345, 555, 851, 1035, 1665, 2111, 2553, 4255, 6333, 7659, 10555, 12765, 18999, 31665, 38295, 48553, 78107, 94995, 145659, 234321, 242765, 390535, 436977, 702963, 728295, 1171605, 1796461, 2184885, 3514815, 5389383, 8982305, 16168149, 26946915, 80840745]

約数ペア:

[(1, 80840745), (3, 26946915), (5, 16168149), (9, 8982305), (15, 5389383), (23, 3514815), (37, 2184885), (45, 1796461), (69, 1171605), (111, 728295), (115, 702963), (185, 436977), (207, 390535), (333, 242765), (345, 234321), (555, 145659), (851, 94995), (1035, 78107), (1665, 48553), (2111, 38295), (2553, 31665), (4255, 18999), (6333, 12765), (7659, 10555)]